Carbusintering
渗碳烧结
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
What did Mathew think of my dance?
不知道马休对我的舞技做何想法？
Mars has an extraordinary fascination for would-be voyagers.
火星对未来的星际旅客来说有着特殊的魅力。